File:Gallen-Kallela - Tuonelan joella.JPG|thumb|200px|''Tuonelan joella'', "By the river of Tuoni" by Akseli Gallen-Kallela.
Image:Gallen Kallela Lemminkainens Mother.jpg|thumb|200px|''Lemminkäinen's Mother|Lemminkäisen äiti'' by Akseli Gallen-Kallela. The mother of young Lemminkäinen has gone to the river of Tuoni to find the corpse of her dead son. One of the myths told in Kalevala.
'''Tuonela''' is the realm of the dead or the Underworld
in Finnish mythology
. '''Tuonela''', '''Tuoni''', '''Manala''' and '''Mana''' are used synonymously. In Estonian mythology, it is called ''Toonela'' or ''Manala''.
According to the ancient beliefs, the fate of good and bad people is the same and the dead wander the afterlife as shadow-like ghosts. Tuoni and his wife Tuonetar are the rulers of Tuonela. At times living people visited Tuonela to gather information and spells. The trip there required weeks of trekking in a desert, and...